CVE-2026-43109None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: x86: shadow stacks: proper error handling for mmap lock 김영민 reports that shstk_pop_sigframe() doesn't check for errors from mmap_read_lock_killable(), which is a silly…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 6.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.1%
In the Linux kernel, the following vulnerability has been resolved:
x86: shadow stacks: proper error handling for mmap lock
김영민 reports that shstk_pop_sigframe() doesn't check for errors from mmap_read_lock_killable(), which is a silly oversight, and also shows that we haven't marked those functions with "__must_check", which would have immediately caught it.
So let's fix both issues.
Linux >= 7fad2a432cd35bbf104d2d9d426e74902f22aa95 < c79cf42321600e931933e11f94aba8b245d4cd66Linux >= 7fad2a432cd35bbf104d2d9d426e74902f22aa95 < 1a30468eff661937d978495644d2e5ebfeef5ce6Linux >= 7fad2a432cd35bbf104d2d9d426e74902f22aa95 < c64cebcc5c4f223dbcbe7dcdf74908fc092a0aa4Linux >= 7fad2a432cd35bbf104d2d9d426e74902f22aa95 < 262b6d38a81d51b135db81e1f30c13d30e38feeeLinux >= 7fad2a432cd35bbf104d2d9d426e74902f22aa95 < 52f657e34d7b21b47434d9d8b26fa7f6778b63a0Linux 6.6Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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